EP1935606B1 - Geerdeter Verteiler und Herstellungsverfahren dafür - Google Patents

Geerdeter Verteiler und Herstellungsverfahren dafür Download PDF

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Publication number
EP1935606B1
EP1935606B1 EP07122111A EP07122111A EP1935606B1 EP 1935606 B1 EP1935606 B1 EP 1935606B1 EP 07122111 A EP07122111 A EP 07122111A EP 07122111 A EP07122111 A EP 07122111A EP 1935606 B1 EP1935606 B1 EP 1935606B1
Authority
EP
European Patent Office
Prior art keywords
ports
electrically conductive
inserts
spring
port
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP07122111A
Other languages
English (en)
French (fr)
Other versions
EP1935606A1 (de
Inventor
Nathan C. Osum
Joseph D. Davis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of EP1935606A1 publication Critical patent/EP1935606A1/de
Application granted granted Critical
Publication of EP1935606B1 publication Critical patent/EP1935606B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
    • F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture

Definitions

  • the present invention relates generally to molded articles of non-conductive material and, more specifically, to structures within such molded articles for establishing ground connections between opposite sides of the article.
  • Synthetic materials such as plastics can provide improved characteristics over metals for some components.
  • materials which are reactively inert to fluids used in the automobile can provide improved corrosion resistance and longer life.
  • some plastic components have inherent sound deadening qualities when compared to metallic components and strength or impact resistance qualities that are advantageous.
  • Alternative materials to metals are considered also for use in complex parts that can be expensive to manufacture of metal by machining, casting and finishing/polishing or the like. Molding techniques to create the parts from nonmetals can be performed quickly and efficiently when compared to previously used processes for metallic parts. For example, a transmission manifold may require a plurality of ports on opposite sides thereof, which can be complex and costly to manufacture completely from metal, and manufacturing a body of plastic with metal inserts can provide advantages. Metal components also can be heavier than similar parts from nonmetals. Accordingly, alternative materials may reduce weight and increase operating efficiency for the automobile, in addition to reducing costs and expenses for supplying the part.
  • Some components including for example a transmission manifold, must provide a ground connection therethrough in the completed assembly. If the manifold or other component is manufactured of non-conductive material, establishing a ground connection from one side thereof to an opposite side thereof can present difficulties. It is known that some of the ports on opposite sides of a transmission manifold, for example, can provide a continuous passage through the manifold between opposite sides thereof. A metallic insert used in the port can be used to establish a ground connection from one side thereof to the other side thereof. However, the required shapes for such inserts are complex and may have opposite ends in axial non-alignment. Accordingly, a one-piece metallic insert can be complex, difficult to manufacture and install and expensive.
  • EP-A-0 797 008 which is regarded as representing the closest prior art for claims 1, 9 and 13, discloses a low conductivity body having first and second faces with first and second ports in said first and second faces.
  • the present invention provides an apparatus and method of making the apparatus with a continuous passage from one side of a non-conductive body, such as a transmission manifold, to an opposite side of the non-conductive body, with conductive inserts secured and extending into the passage from opposite sides of the body.
  • a space in the passageway between the inner ends of the inserts contains a compressed conductive spring establishing electrical contact with each insert on opposite ends of the spring.
  • the present invention provides an electrically conductive assembly with a low conductivity body having first and second faces with first and second ports in the first and second faces.
  • a first electrically conductive element extends into the body from the first port;
  • a second electrically conductive element extends into the body from the second port, and
  • an electrically conductive spring within the body is between and in electrically conductive contact with the first and second electrically conductive elements at opposite ends of the spring.
  • the present invention provides a transmission manifold with a low electrical conductivity body having a first face and a second face on opposite first and second sides of the body.
  • a first port is defined in the first face; a second port is defined in the second face, and a continuous passage is provided through the body from the first port to the second port.
  • a first electrically conductive insert extends into the passage from the first port; a second electrically conductive insert extends into the passage from the second port, and an electrically conductive spring is disposed between and in electrical contact with the first and second inserts within the passage.
  • the present invention provides a method for making a transmission manifold with steps of molding a transmission manifold body with first and second ports on opposite faces thereof, including forming one first port and one second port with a continuous passage therebetween; securing a first electrically conductive insert in one of the first and second ports; positioning an electrically conductive spring in electrically conductive contact with the first insert; securing a second electrically conductive insert in the other of the first and second ports; compressing the spring between the first and second inserts; and establishing continuous simultaneous electrical contact between the spring and each the first insert and the second insert within the passage.
  • An advantage of the present invention in one form thereof, is providing a synthetic body establishing ground connection from one side to the other side.
  • Another advantage of the present invention in one form thereof, is providing an efficient and cost effective structure for establishing electrical contact between opposite sides of a substantially non-conductive body.
  • Still another advantage of a form of the present invention is providing a transmission manifold of synthetic material with electrically conductive contact between one side thereof and an opposite side thereof.
  • numeral 10 designates an automobile transmission manifold in accordance with the present invention. It should be understood that the particular configuration of a transmission manifold shown in the drawings is merely exemplary in nature, and the present invention can be used for transmission manifolds having other shapes and configurations. Further, while a transmission manifold is one advantageous use for the present invention, it is contemplated that other structures also can benefit from the use and application of the present invention.
  • Manifold 10 is a body of material of low electrical conductivity, such as plastic, and has a first face 12 and a second face 14 on opposite sides thereof. At least one first hole or port 16 is provided as an opening in first face 12. A plurality of first ports 16 is shown in Fig. 1 . At least one second hole or port 18 is provided as an opening in second face 14. A plurality of second ports 18 is shown in Fig. 2 . It should be understood that more or fewer first ports 16 and second ports 18 can be used for a specific manifold configuration.
  • First inserts 20 are disposed in first ports 16, and second inserts 22 are provided in second ports 18.
  • Inserts 20 and 22 can be of different shapes, configurations and sizes as suitable for the port in which each is installed. Knurling or other surface treatments can be provided on outer surfaces of inserts 20 or 22 to enhance fixation within ports 16 and 18.
  • Inserts 20, 22 are electrically conductive material, such as brass or other metal, whereas manifold 10 can be otherwise formed of substantially non-conductive material, such as plastic.
  • first port 16 and one second port 18 are disposed generally across from one another, and a continuous passageway 24 is established from first port 16 in first face 12 to second port 18 in second face 14.
  • first port 16 and second port 18 defining the continuous passage are in axial non-alignment.
  • An electrically conductive spring 26 is provided in passage 24, between first insert 20 and second insert 22.
  • Spring 26 in the exemplary embodiment is a coil spring with a relaxed length longer than the free space in passage 24 between the inner ends of inserts 20 and 22. In the completed assembly, spring 24 is compressed between insert 20 and insert 22 to provide continuous electrical contact with each insert 20 and insert 22 on opposite ends of spring 26.
  • ports 16 and 18 are axially offset. Accordingly, spring 26 is retained between opposed inserts 20 and 22 in axial alignment with one insert 22 but not with the other insert 20.
  • a manifold of the present invention can be made by a variety of manufacturing techniques and processes.
  • manifold 10 is made by molding, during which the various first ports 16 and second ports 18 are formed.
  • First inserts 20 are secured in first ports 16 during the molding process. Accordingly, first inserts 20 are secured in a fixture in the mold cavity, with the material for manifold 10 being molded thereabout.
  • Such techniques are often referred to as overmolding. As the material for manifold 10 hardens or cures, intimate contact is established for securing first inserts 20 in the first ports 16 that are formed there around.
  • second ports 18 also are formed.
  • Second inserts 22 can be secured by post mold inserting in second ports 18 after manifold 10 is removed from the mold in which molding occurs.
  • a heated inserting process using, for example, induction heating can be used.
  • the insert 22 is heated by induction heating, and then forced into second port 18. It should be understood that heating processes other than induction heating can be used to heat an insert for insertion.
  • the heated mass of second insert 22 softens the material of manifold 10 lining passage 24, allowing insertion and subsequent intimate contact between the manifold and the insert.
  • first inserts 20 and second inserts 22 can be secured as described. However, it should be understood that a variety of techniques can be used. For example, some or all of the first inserts 20 can be secured in manifold 10 by post mold insertion, using induction inserting other heated inserting process after the manifold is formed in a molding operation. For some uses of the present invention, other post mold inserting processes can be used, and may include pressing or inserting without heating.
  • spring 26 is inserted into at least one set of a first ports defining a continuous passage 24 between a first port 16 and a second port 18. For example, after the first insert 20 is secured relative to first port 16, which may be by overmolding, spring 26 is inserted into second port 18. As second insert 22 is inserted into second port 18, spring 26 is encountered and compressed between and against the first and second inserts 20, 22. As illustrated in Fig. 3 , spring 26 thereby establishes continuous electrical contact between first insert 20 and second insert 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Control Of Transmission Device (AREA)

Claims (20)

  1. Elektrisch leitende Anordnung, umfassend:
    einen Körper mit geringer Leitfähigkeit, der eine erste und eine zweite Fläche (12, 14) mit einem ersten und einem zweiten Port (16, 18) in der ersten und der zweiten Fläche aufweist;
    ein erstes elektrisch leitendes Element (20), das sich von dem ersten Port (16) in den Körper erstreckt;
    ein zweites elektrisch leitendes Element (22), das sich von dem zweiten Port (18) in den Körper erstreckt; und
    eine elektrisch leitende Feder (26) in dem Körper zwischen und in elektrisch leitendem Kontakt mit dem ersten und dem zweiten elektrisch leitenden Element (20, 22) an einander gegenüberliegenden Enden der Feder (26).
  2. Anordnung nach Anspruch 1, wobei die Feder (26) eine Schraubenfeder ist.
  3. Anordnung nach Anspruch 1, wobei das erste und das zweite elektrisch leitende Element (20, 22) axial nicht aufeinander ausgerichtet sind.
  4. Anordnung nach Anspruch 3, wobei die Feder (26) eine Schraubenfeder ist.
  5. Anordnung nach Anspruch 1, wobei das erste und das zweite elektrisch leitende Element (20, 22) aus Metall bestehen.
  6. Anordnung nach Anspruch 5, wobei das erste und das zweite elektrisch leitende Element (20, 22) axial nicht aufeinander ausgerichtet sind.
  7. Anordnung nach Anspruch 5, wobei die Feder (26) eine Schraubenfeder ist.
  8. Anordnung nach Anspruch 7, wobei das erste und das zweite elektrisch leitende Element (20, 22) in Axialrichtung nicht aufeinander ausgerichtet sind.
  9. Getriebeverteiler (10), umfassend:
    einen Körper mit geringer Leitfähigkeit, der eine erste Fläche (12) und eine zweite Fläche (14) auf einer ersten und einer zweiten Seite des Körpers, die einander gegenüberliegen, aufweist;
    einen in der ersten Fläche definierten ersten Port (16), einen in der zweiten Fläche definierten zweiten Port (18) und einen ununterbrochenen Durchgang (24) durch den Körper von dem ersten Port zu dem zweiten Port;
    einen elektrisch leitenden ersten Einsatz (20), der sich von dem ersten Port (16) in den Durchgang erstreckt;
    einen elektrisch leitenden zweiten Einsatz (22), der sich von dem zweiten Port (18) in den Durchgang erstreckt; und
    eine elektrisch leitende Feder (26), die zwischen und in elektrisch leitendem Kontakt mit dem ersten und dem zweiten Einsatz in dem Durchgang angeordnet ist.
  10. Getriebeverteiler nach Anspruch 9, wobei der erste und der zweite Einsatz (20, 22) axial nicht aufeinander ausgerichtet sind.
  11. Getriebeverteiler nach Anspruch 9, der mehrere erste Einsätze (20) in mehreren ersten Ports (16) auf der ersten Seite des Körpers und mehrere zweite Einsätze (22) in mehreren zweiten Ports (18) auf der zweiten Seite des Körpers enthält.
  12. Getriebeverteiler nach Anspruch 11, der nur eine Feder (26) enthält.
  13. Verfahren zur Herstellung eines Getriebeverteilers (10), umfassend:
    Formen eines Getriebeverteilerkörpers mit einem ersten und einem zweiten Port (16, 18) auf einander gegenüberliegenden Flächen davon, das Formen eines ersten Ports (16) und eines zweiten Ports (18) mit einem ununterbrochenen Durchgang (24) dazwischen umfasst;
    Befestigen eines elektrisch leitenden ersten Einsatzes (20) in dem ersten oder zweiten Port;
    Positionieren einer elektrisch leitenden Feder (26) in elektrisch leitendem Kontakt mit dem ersten Einsatz (20);
    Befestigen eines elektrisch leitenden zweiten Einsatzes (22) in dem jeweils anderen, dem zweiten oder dem ersten, Port;
    Komprimieren der Feder zwischen dem ersten und dem zweiten Einsatz; und
    Herstellen eines ununterbrochenen gleichzeitigen elektrischen Kontakts zwischen der Feder und dem ersten sowie dem zweiten Einsatz in dem Durchgang (24).
  14. Verfahren nach Anspruch 13, wobei mindestens einer der Befestigungsschritte durch Anformen erfolgt.
  15. Verfahren nach Anspruch 13, wobei mindestens einer der Befestigungsschritte durch Einsetzen nach dem Formen erfolgt.
  16. Verfahren nach Anspruch 13, wobei einer der Befestigungsschritte durch Anspritzen und der andere der Befestigungsschritte durch Erhitzen und Einsetzen des Einsatzes erfolgt.
  17. Verfahren nach Anspruch 16, wobei bei dem Formen des Körpers der erste und der zweite Port in Axialrichtung nicht aufeinander ausgerichtet ausgebildet werden.
  18. Verfahren nach Anspruch 17, umfassend:
    Ausbilden mehrerer erster Ports (16) und mehrerer zweiter Ports (18);
    Befestigen mehrerer erster leitender Einsätze (20) in den ersten Ports;
    Befestigen mehrerer zweiter Einsätze (22) in den zweiten Ports; und
    Komprimieren nur einer Feder (26) in einem Durchgang (24) zwischen einem der ersten Einsätze und einem der zweiten Einsätze.
  19. Verfahren nach Anspruch 13, wobei bei dem Formen des Körpers der erste und der zweite Port in Axialrichtung nicht aufeinander ausgerichtet ausgebildet werden.
  20. Verfahren nach Anspruch 13, umfassend:
    Ausbilden mehrerer erster Ports (16) und mehrerer zweiter Ports (18);
    Befestigen mehrerer erster leitender Einsätze (20) in den ersten Ports;
    Befestigen mehrerer zweiter Einsätze (22) in den zweiten Ports; und
    Komprimieren nur einer Feder (26) in einem Durchgang (24) zwischen einem der ersten Einsätze und einem der zweiten Einsätze.
EP07122111A 2006-12-18 2007-12-03 Geerdeter Verteiler und Herstellungsverfahren dafür Expired - Fee Related EP1935606B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/640,553 US7754972B2 (en) 2006-12-18 2006-12-18 Grounded manifold and method for making the same

Publications (2)

Publication Number Publication Date
EP1935606A1 EP1935606A1 (de) 2008-06-25
EP1935606B1 true EP1935606B1 (de) 2010-09-15

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EP07122111A Expired - Fee Related EP1935606B1 (de) 2006-12-18 2007-12-03 Geerdeter Verteiler und Herstellungsverfahren dafür

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US (1) US7754972B2 (de)
EP (1) EP1935606B1 (de)
DE (1) DE602007009177D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9683379B2 (en) * 2012-06-01 2017-06-20 Time Manufacturing Company Apparatuses and methods for providing high electrical resistance for aerial work platform components

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135520A (en) * 1960-01-12 1964-06-02 John E Borah Molded gasket with flexible metal insert
US3796623A (en) * 1970-09-29 1974-03-12 Farnam F Co Method of making insulator gaskets
US5167512A (en) * 1991-07-05 1992-12-01 Walkup William B Multi-chip module connector element and system
EP0616394A1 (de) * 1993-03-16 1994-09-21 Hewlett-Packard Company Verfahren und Vorrichtung für die Herstellung von elektrisch zusammengeschalteten Schaltungen
US5855229A (en) 1996-03-18 1999-01-05 Lectron Products, Inc. Solenoid manifold assembly
CN1255686C (zh) * 1996-04-12 2006-05-10 日本发条株式会社 导电接触单元系统
JP4060919B2 (ja) * 1997-11-28 2008-03-12 富士通株式会社 電気的接続装置、接触子製造方法、及び半導体試験方法
US7019222B2 (en) * 2002-01-17 2006-03-28 Ardent Concepts, Inc. Compliant electrical contact assembly

Also Published As

Publication number Publication date
US7754972B2 (en) 2010-07-13
US20080145606A1 (en) 2008-06-19
EP1935606A1 (de) 2008-06-25
DE602007009177D1 (de) 2010-10-28

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